Image Processing; General Description - Toshiba e-studio3511, e-studio4511 Manual

7. IMAGE PROCESSING

7.1 General Description

The following diagram shows the process of this equipment from scanning of original to writing data on
the photoconductive drum surface.
Scanning section
Original
Original glass
Scanning
Lens section
[CCD]
The followings are the boards used for image processing.
Board
SYS board
(PWA-F-SYS-350)
LGC board
(PWA-F-LGC-350)
November 2003 © TOSHIBA TEC
Image processing section
Image
processing /
System board
[SYS]
Scanning
control section
[SLG]
Fig. 7-101
ACS, color conversion, high quality image processing, image memory
editing, rectangular area signal generation, editing processing, gamma
PPC
correction, gradation processing, compression/expansion and black
component generation
PRT/ Scanner high quality image processing, printer high quality image
SCN processing, black over print, pure black/pure gray, chroma adjustment
and brightness adjustment
Smoothing processing, image area control and laser related control
7 - 1
Writing section
Image processing/
Laser control
writing control
section
[LGC]
Photocon-
ductive
drum
Function
e-STUDIO3511/4511 IMAGE PROCESSING
section
[LDR]
Semicon-
ductive laser
element
7